The wild night out in israel last summer. The fbi began asking questions. Discovered that one member of congress went skinny dipping in the sea of galilee. It broke in politico. Jon karl is with us. The sea of galilee is where jesus walked on water. Reporter: You had 30 republican members of congress visiting israel, visiting with top officials, visiting the holy sites. One night, things got out of control. They were having dinner at the sea of galile re. Doing some drinking. After the dinner, several members took an impromtu dip into the sea. Kevin yoerd has issued an apology to his constituents and fell members of congress. After dinner, I followed some members of congress in a spontaneous and very brief dive into the sea. Regrettably, I jumped into the water without a swim suit. I have never seen anything like this. Me, neither. The fbi won't comment. They're apparently not investigating anymore. There was immediate political plit call fallout. Sure was. Eric cantor was on the trip. Found out about it the next day. He was livid. He brought together the members of the delegation. He said this must never happen again. 12 months ago, he dealt with it immediately and effectively to ensure such activities would not take place in the future.

This transcript has been automatically generated and may not be 100% accurate.